Why Upgrade to ARP Washers?
Because stacking random washers from your toolbox isn’t engineering—it’s guessing.
ARP washers are built to provide proper load distribution, ensuring that your fasteners maintain accurate torque and consistent clamping force without damaging components.
A true high performance washer from ARP, to be had in a lot of sizes and thickness, and without or with I.D. (inside diameter) chamfers.
Key Features
- Precision-Machined Construction
Ensures uniform thickness for consistent torque and clamping. - 3/8″ Inner Diameter / 7/8″ Outer Diameter
Ideal for a wide range of automotive fastener applications. - High-Strength Material
Designed to handle high load without deforming or crushing. - Black Oxide Finish
Adds corrosion resistance and a clean, low-profile appearance. - 10-Piece Kit
Perfect for completing installs or upgrading existing hardware setups.
All are comprised of premium chrome moly and are parallel-ground, hardened, and finished in black oxide. Our 3/8 I.D. washers, as an example, come in four different sizes (O.D.) and different thicknesses.
Ideal Applications
- Cylinder head and engine fasteners
- Suspension and chassis hardware
- Brackets, mounts, and structural components
- Anywhere you need proper load distribution under a bolt or nut
Basically, anywhere you want your hardware to actually work correctly.
Special connecting rod washers are to be had, as are one of the crucial more popular metric sizes. All the washers are to be had in my view, with most of them alsooffered in handy 2-piece and 10-piece packages.
Why It Matters
Cheap or uneven washers can lead to:
- Inaccurate torque readings
- Uneven clamping force
- Surface damage to components
- Bolt loosening over time
The ARP 200-8688 washers ensure even load distribution and reliable fastening, helping your hardware perform exactly as intended.
Build up an inventory of these premium quality washers so you will not get caught short when it’s essential to. Washer No Chamfer Radiused OD 10Pieces Material Black Oxide ID/OD 3/8 / 7/8 Thickness .150in
Fasteners Specialty Washers
Made in USA
ARP Quality
Installation Notes
- Always pair with properly sized bolts or studs
- Ensure clean mating surfaces before installation
- Torque fasteners to spec for best results
Final Verdict
The ARP 200-8688 Washer Kit proves that even the smallest components matter. Stronger, more precise, and far more reliable than generic washers.
Because details matter—and ARP clearly doesn’t overlook them.
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